Coupled Circuit Articles: Coupled Circuits Definition: Two circuits are said to be ‘coupled’ when energy transfer takes place from one circuit to the other when one of the circuits is…
Multistage Amplifiers Articles: What is Multistage Amplifier? – Types, Block Diagram and Analysis Amplifiers that produce voltage, current, and/or power gain through the use of two or more stages are…
Induction Furnace - Definition, Types, Working Principle and Advantages: In induction heating effect of currents induced by electromagnetic action in the charge is employed. The heat developed depends on the…
Electronics Engineering Multiple Choice Questions and Answers (MCQs) Part 5: 198. Which one of the following devices can be turned 'ON' or 'OFF' by applying gate signal ? (a) SCR.…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 4: 152. For arc heating, the electrodes used are made of (a) copper. (b) graphite. (c) tungsten. (d) aluminium. Answer…
Voltage Control Interview Questions and Answers: 1. Why is it necessary to keep the receiving-end voltage constant within specified limits ? Ans. For satisfactory operation of equipment/machinery supplied by the…
Large Signal or Power Amplifiers Interview Questions and Answers: 1. What is meant by power amplifier? Ans. Power amplifier is meant to raise the power level of the input signal and…
Blocking Oscillator - Definition, Operation and Types: The output of an active device may be coupled back to the input through a pulse transformer. If the relative windings polarities are…